There is no gaskets there..!!! The pipes are held on w/ springs it's metal on metal.. use the silicone to get a proper seal..Originally posted by iindy650
[br]I dont have a good seal where my pipes go onto the flanges..
Although its late to provide a solution, flange leaks an old problem is always a new issue. If I had pict of what you had to deal with, I would better understand the issue. I created a basement fix I call a C Flange Bracket that stopped my leaking flanges. Search for videos on how its installed.i have a 650 indy,i dont have a good seal where my pipes go onto the flanges..what type of sealant or ?? can i use to seal them properly? something that wont melt off .thanks for any help